PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

04403Lamp,incandescent

Westinghouse Electric Corp · NSN 6240-01-668-7317 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-668-7317 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-668-7317. Primary manufacturer part number: 04403.
Features
  • Lamp,incandescent — FSC 6240
  • Bulb Diameter: 2.38 INCHES NOMINAL IN
  • Emitted Light Characteristic: COLORLESS
  • Wattage Rating: 75.0 WATTS
  • Rated Average Life: HOURS
  • Bulb Designator: 75A19/CL
  • Voltage Rating: 120.0 VOLTS NOMINAL
  • Bulb Style: A (ARBITRARY DESIGNATION)
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-01-668-7317, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Westinghouse Electric Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-668-7317
Primary Part Number04403
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerWestinghouse Electric Corp
StatusACTIVE
Bulb Diameter2.38 INCHES NOMINAL IN
Emitted Light CharacteristicCOLORLESS
Wattage Rating75.0 WATTS
Rated Average LifeHOURS
Bulb Designator75A19/CL
Voltage Rating120.0 VOLTS NOMINAL
Bulb StyleA (ARBITRARY DESIGNATION)
Average Life Rating in Hours20000.0
Light Output Rating715.0 LUMENS NOMINAL SINGLE RATING
Base StyleMEDIUM SCREW
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5975-01-057-2684TK 224SC INTERCHANGEABLE
Coupling,electrical Conduit
Abb Installation Products Inc
4820-01-398-348804403 INTERCHANGEABLE
Valve,check
Polley Inc Dba Kelco Sales & Engineering
7930-01-672-5210 INTERCHANGEABLE
Scouring Powder
Cross-Reference Index
Part NumberManufacturer
ULA-96 Aero-Tech Light Bulb Co. (USA)
04403 PRIMARY Westinghouse Electric Corp (USA)
Related Parts
5975-01-057-2684INTERCHANGEABLE
COUPLING,ELECTRICAL CONDUIT
TK 224SC
4820-01-398-3488INTERCHANGEABLE
VALVE,CHECK
04403
7930-01-672-5210INTERCHANGEABLE
SCOURING POWDER

Frequently Asked Questions

What is NSN 6240-01-668-7317?

NSN 6240-01-668-7317 is a Lamp,incandescent, manufactured by Westinghouse Electric Corp, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-668-7317?

NSN 6240-01-668-7317 has 2 cross-referenced part numbers: ULA-96 (Aero-Tech Light Bulb Co.), 04403 (Westinghouse Electric Corp).

What NSN replaces 6240-01-668-7317?

There are 3 known substitutes for 6240-01-668-7317: 5975-01-057-2684, 4820-01-398-3488, 7930-01-672-5210. Verify interchangeability with system specifications before substitution.

What are the specifications of 04403?

Key specifications for 04403: Bulb Diameter: 2.38 INCHES NOMINAL IN; Overall Length: 4.44 INCHES MAXIMUM IN; Emitted Light Characteristic: COLORLESS; Wattage Rating: 75.0 WATTS. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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